import type { DocumentNode, FormattedExecutionResult, GraphQLFormattedError } from "graphql";
import type { NetworkError } from "@apollo/client/errors";
import type { Operation } from "@apollo/client/link/core";
import { ApolloLink } from "@apollo/client/link/core";
export declare const VERSION = 1;
export interface ErrorResponse {
    graphQLErrors?: ReadonlyArray<GraphQLFormattedError>;
    networkError?: NetworkError;
    response?: FormattedExecutionResult;
    operation: Operation;
    meta: ErrorMeta;
}
type ErrorMeta = {
    persistedQueryNotSupported: boolean;
    persistedQueryNotFound: boolean;
};
type SHA256Function = (...args: any[]) => string | PromiseLike<string>;
type GenerateHashFunction = (document: DocumentNode) => string | PromiseLike<string>;
interface BaseOptions {
    disable?: (error: ErrorResponse) => boolean;
    retry?: (error: ErrorResponse) => boolean;
    useGETForHashedQueries?: boolean;
}
export declare namespace PersistedQueryLink {
    interface SHA256Options extends BaseOptions {
        sha256: SHA256Function;
        generateHash?: never;
    }
    interface GenerateHashOptions extends BaseOptions {
        sha256?: never;
        generateHash: GenerateHashFunction;
    }
    export type Options = SHA256Options | GenerateHashOptions;
    export {};
}
export declare const createPersistedQueryLink: (options: PersistedQueryLink.Options) => ApolloLink & ({
    resetHashCache: () => void;
} & ({
    getMemoryInternals(): {
        PersistedQueryLink: {
            persistedQueryHashes: number;
        };
    };
} | {
    getMemoryInternals?: undefined;
}));
export {};
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